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Does conception always lead to pregnancy?
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What does conception mean?
Learn how conception occurs when sperm fertilizes an egg in the fallopian tube, and how it leads to implantation and pregnancy. Find out the timeline, factors and chances of conception, and how IVF works.
- Ovulation. Each month inside your ovaries, a group of eggs starts to grow in small, fluid-filled sacs called follicles. Eventually, one of the eggs erupts from the follicle (ovulation).
- Hormones Rise. After the egg leaves the follicle, the follicle develops into something called the corpus luteum. The corpus luteum releases a hormone that helps thicken the lining of your uterus, getting it ready for the egg.
- The Egg Travels to the Fallopian Tube. After the egg is released, it moves into the fallopian tube. It stays there for about 24 hours, waiting for a single sperm to fertilize it.
- If the Egg Isn't Fertilized. If no sperm is around to fertilize the egg, it moves through to the uterus and disintegrates. Your hormone levels go back to normal.
Feb 14, 2022 · Conception is when a sperm fertilizes an egg, which can happen inside or outside the body. Learn about the factors that affect conception, the difference between conception and pregnancy, and how to prevent or achieve it.
Nov 30, 2023 · Learn what conception is, how it happens, and when to test for pregnancy. Find out about the timing, signs, and factors that affect conception, as well as the difference between natural and IVF conception.
Jun 3, 2022 · Learn how your baby grows and develops during the first three months of pregnancy, from conception to the end of the 12th week. Find out what happens to your baby's organs, limbs, brain and face, and how to care for yourself during this time.
- Weeks 1 and 2: Getting ReadyIt might seem strange, but you're not actually pregnant the first week or two of the time allotted to your pregnancy. Yes, you read that correctly!...
- Week 3: FertilizationThe sperm and egg unite in one of your fallopian tubes to form a one-celled entity called a zygote. If more than one egg is released and fertilized...
- Week 4: ImplantationThe rapidly dividing ball of cells — now known as a blastocyst — has begun to burrow into the uterine lining (endometrium). This process is called...
- Week 5: Hormone Levels IncreaseThe fifth week of pregnancy, or the third week after conception, the levels of HCG hormone produced by the blastocyst quickly increase. This signal...
- Week 6: The Neural Tube ClosesGrowth is rapid this week. Just four weeks after conception, the neural tube along your baby's back is closing. The baby's brain and spinal cord wi...
- Week 7: Baby's Head DevelopsSeven weeks into your pregnancy, or five weeks after conception, your baby's brain and face are growing. Depressions that will give rise to nostril...
- Week 8: Baby's Nose FormsEight weeks into your pregnancy, or six weeks after conception, your baby's lower limb buds take on the shape of paddles. Fingers have begun to for...
- Week 9: Baby's Toes AppearIn the ninth week of pregnancy, or seven weeks after conception, your baby's arms grow and elbows appear. Toes are visible and eyelids form. Your b...
- Week 10: Baby's Elbows BendBy the 10th week of pregnancy, or eight weeks after conception, your baby's head has become more round.Your baby can now bend his or her elbows. To...
- Week 12: Baby's Fingernails FormTwelve weeks into your pregnancy, or 10 weeks after conception, your baby is sprouting fingernails. Your baby's face now has taken on a more develo...
Aug 30, 2018 · Conception is when sperm fertilizes an egg in the fallopian tube, creating a zygote that can become an embryo. Learn about the factors that affect conception, the stages of pregnancy, and the possible complications that could occur.
Nov 28, 2022 · Conception is the fertilization of an egg by a sperm, which can occur in the hours to days after sex. Learn how your menstrual cycle, ovulation, and sperm health affect your chances of conceiving and what you can do to increase your fertility.
